$27.99

One application feeds a larger lawn for up to 4 months, with polymer-coated urea and 5 percent iron for steady colour. The 33.6 lb bag covers up to 12,000 sq ft, so you spread less weight and plan fewer feeding days.

Description

Many lawn owners start spring with good intentions and a calendar full of feeding dates, then life intervenes. Work gets busy, weekends fill up, and the second, third and fourth applications never happen, so growth fades and colour thins just when the lawn should look its best.

Pennington Full Season Lawn Fertilizer 32-0-5 is made for that reality. Its polymer-coated urea provides controlled release of nitrogen for up to 4 months, and the 33.6 lb bag covers up to 12,000 sq ft in retailer coverage, so one careful application can carry a larger lawn through a long stretch of the season.

This page explains what the 32-0-5 analysis means, where it fits, and where it does not, so you can judge it against a soil test rather than a headline. It is best suited to owners of larger established lawns who want one long spring or early fall application and will calibrate the spreader carefully.

Key Features

One application, up to four months

The central promise is simple: polymer-coated urea that provides controlled release of nitrogen for up to 4 months. That long window is the reason Pennington Full Season Lawn Fertilizer 32-0-5 suits a homeowner who will realistically fertilise once and then get busy.

Polymer-coated urea

The label lists 12.00 percent controlled-release nitrogen from polymer coated urea. The coating meters nitrogen out over time, rather than releasing it all at once, which helps growth stay steadier.

High nitrogen, less weight to spread

At 32 percent nitrogen, far less weight is needed over a large lawn than with a low analysis product. That advantage also means accuracy matters more, because a wrong spreader setting has a larger effect.

Iron for colour

The formula carries 5 percent iron, confirmed on the maker product page and label in the roundup section. Iron supports colour, while nitrogen supports growth, so the lawn can look greener without a short surge.

Large lawn coverage

For Pennington Full Season Lawn Fertilizer 32-0-5, retailer coverage of the 33.6 lb bag puts coverage at up to 12,000 sq ft. That scale makes it a practical choice for a larger established lawn, rather than a small patch that needs only a light feed.

Product Description

Pennington Full Season Lawn Fertilizer 32-0-5 is a lawn product built around one long feeding. Its analysis is 32-0-5, which means 32 percent nitrogen, no phosphorus, and 5 percent potash. The roundup gives it an editorial rating of 9.0 for one long lawn feeding, and that rating is an editorial score only, not a claim of hands-on testing.

The maker position is clear in the roundup section: the product contains polymer-coated urea that provides controlled release of nitrogen up to 4 months. The same section notes the 33.6 lb bag, coverage of up to 12,000 sq ft, 5 percent iron, and 12.00 percent controlled-release nitrogen from polymer coated urea. Those are the verified figures used here, and any figure not published in that section is marked as not published or left to the listing.

Benefits of Using This Product

  • One long feeding window of up to 4 months, which suits a busy feeding calendar.
  • Less weight to carry and spread across a large lawn, thanks to the high 32 percent nitrogen content.
  • Steadier feeding from a polymer coat, rather than a quick surge followed by a fade.
  • Iron in the formula for colour, alongside nitrogen for growth.
  • A clear fit for larger established lawns, where a single spring or early fall application is the realistic plan.

The benefit is not that this product does everything. It does one job well: Pennington Full Season Lawn Fertilizer 32-0-5 keeps a larger lawn fed for a long period from one careful application, provided the lawn already has the phosphorus and potassium balance it needs.

Specifications

Product Pennington Full Season Lawn Fertilizer 32-0-5
Brand Pennington
Analysis (NPK) 32-0-5
Nitrogen 32 percent
Phosphorus 0 percent
Potash 5 percent
Iron 5 percent
Slow-release detail Polymer-coated urea
Controlled-release nitrogen 12.00 percent, from polymer coated urea
Feeds for Up to 4 months
Bag size 33.6 lb
Coverage Up to 12,000 sq ft
Best for One long lawn feeding
Editorial rating in roundup 9.0
Price on this page $27.99
ASIN B0DYWRC5NM
Spreader setting Check listing
Other specifications Not published in the roundup section

How to Use

  1. Test the soil first if the lawn has never been tested, because this product has no phosphorus and only 5 percent potash, so it does not correct a phosphorus or potassium shortage.
  2. Measure the lawn and check how many bags are needed at up to 12,000 sq ft per 33.6 lb bag.
  3. Calibrate the spreader carefully and use the setting printed on your bag. Check listing if your model is not listed.
  4. Apply in spring or early fall, as a single long application for a larger established lawn.
  5. Spread evenly and avoid overlaps, because a polymer coat slows release but does not make an overlapped double rate harmless forever.
  6. Water only as the label directs, and keep a simple record of the date, product and rate.

Why Choose This Product

Choose Pennington Full Season Lawn Fertilizer 32-0-5 when time, not variety, is the real constraint. Four months of metered feeding beats a perfect four-step plan that never happens, and that is the exact case the roundup makes for it. It also suits a larger lawn, where carrying less weight per application is a practical gain, not a minor detail.

Do not choose it as a cure for a poor soil test. With no phosphorus and only 5 percent potash, it maintains a lawn whose balance is already sound. If a test shows a shortage, that shortage needs its own plan, and this product should not be asked to fix it alone.

Frequently Asked Questions

How long does it feed for?

Up to 4 months, from polymer-coated urea that provides controlled release of nitrogen. The exact window will vary with soil temperature and moisture, so treat 4 months as an upper figure, not a guarantee.

What does 32-0-5 mean?

It is the guaranteed analysis: 32 percent nitrogen, 0 percent phosphorus, and 5 percent potash. The label also lists 12.00 percent controlled-release nitrogen from polymer coated urea, and 5 percent iron.

Does it contain phosphorus?

No. It is a lawn product with no phosphorus, so it does not correct a soil-test phosphorus shortage. Do the soil test first if your lawn has never been tested.

Who should buy it?

Owners of larger established lawns who want one long spring or early fall application and will calibrate the spreader carefully. It is less suited to a small lawn, a new lawn with an unknown soil balance, or a lawn that needs phosphorus or potassium corrected.

Was it hands-on tested for this page?

No. The roundup states that no product was hands-on tested, and its 9.0 rating is an editorial score from verified specifications and owner feedback. This page follows that same basis.

Final Thoughts

Pennington Full Season Lawn Fertilizer 32-0-5 earns its place by being honest about its job. It is not a complete soil programme, and it is not a rescue product for a deficient lawn. It is a high nitrogen, polymer-coated lawn feed that can carry a larger established lawn for up to 4 months from one careful application, with iron for colour and a coverage figure that makes the maths workable for a bigger area.

If that matches your lawn, your soil test, and your calendar, it is a sensible pick. If your soil test points elsewhere, let the test overrule the headline, and choose a product that matches what the soil actually needs.

Want to compare it with the other lawn fertilizers before you buy? Read our full guide: 10 Best Slow-Release Fertilizers for Lawns and Gardens.

Last Update: October 29, 2026